Vertical water-tube boiler



(No Model.) 4

, "J. I. WILLIAMS;

VBRTI'JAL WATER TUBE BOILEB.. No, 550 ,11,'7. Patented Nov. 19, 1895.

AN DREW BVGRNMM. PHDTO-UTHO.WASNINGTUN.D C.

NITED STATE PATENT OFFICE JOHN IRVING WILLIAMS, OF YOUNGSTOYVN, ASSIGNOR TO THE AULTMAN &7 TAYLOR MACHINERY COMPANY, OF MANSFIELD, OHIO( VERTCAL WATER-TUBE BOILER.

SPECIFICATION forming part of Letters Patent No. 550,117, dated November 19, 1895.

^ Application filed September 5, 1895. Serial No. &61,567. (No model.)

To all whom it may ccmcern: flue E' in supporting the mud-drum and su- Beitknown that I, JOHN IRvING WILLIAMs, perimposed part-S. The mud-drum is also of Youngstowmin the County of Mahoning and provided with a manhole F which latter eX- State of Ohio, have invented certain new and tends through the shell, thus affording easy 5 useful Improvements in Vertical VVater-Tube access to the interior of the drum for the pur- Boilers; and I do hereby declare the followpose ofrepair or for cleaning same. ing to be a full, clear, and exact description Secured to and communicating with the of the invention, such as will enable others mud-drum are the Water-tubes G,'preferably skilled in the art to which it appertains to of the same size and connected to the drum IO make and use the same. in concentric rows. In the present instance My invention relates to an improvement in I have shown three rows of pipes, the two vertical water-tube boilers designed more parouter rows being vertical,while the alternate ticularly to utilize the waste heat from furtubes of the inner row are inclined inwardly. naces, the objects of the invention being to The outer row of tubes is removed from the I 5 unifornly heat the tubes and provide an eX- shell, so that the pipes of the entire series are tended heating-surface for the steam-drum, exposed on all sides to the action of the heat. whereby the steam is superheated by the Secured to and in direct communication waste heat before leaving the furnace. with the tubes G is the steam-drum I. This A further object is to provide improved drum I is, like the mud-drunnin the form of 7o 5 20 means for supporting the drums and tubes a h'ollow ring with conveX upper and lower within the shell. faces, the central opening or passage-way A further object is to provide means for therein being, however, considerably less in regulating the draft through the boiler. diameter than the passage-way or fi ue through `With these objects in view my invention the mud-drum.

25 consists in the parts and combinations of The steam-drum I rests with its upper surparts, as will be more fully described, and face below the upper end of the shell, and pointed out in the claims. being slightly less in diameter than the inte- In the accompanying drawings, Figure 1 is rior of the shell or wall of the boiler a pasa view in vertical section of a boiler embodysage-way is thus formed around the steam- 0 ing my invention, and Fig. 2 is a transverse drum, which with the central flue provides a sectional view on the line oc of Fig. 1. large heating-surface. The drum I is also A represents the outer wall or shell, cylinprovided with a manhole l and with steamdrical in form and supported at its base on pipes 1 Iwhich latter pass through suitablythe base-ring B, secured on the upper ends of formed openings in the shell or wall of the 3 5 the uprights or posts C. boiler.

Leading from the furnaces D is the fiue E, Pivoted to a suitable bearing on the stack which latteris inclined downwardly to a point J is the lever L. This lever carries at its inunder the center of the boiler and then eX- ner end the depending rod L', to the lower tends upwardly through the mud-drum F and end of which is a conical danper or plug M,

4o terminates at a point above the mud-drum preferably made of fire-.brick. This damper and between the water-tubes G. The fiue E or plug rests directly over the central vertiis supported on a masonry foundation or base cal flue or passage-way in the steam-drum,

E and the Vertical section E' of the fiue, proand hence operates to wholly or partially jecting under the lower edge of the mud-drum, close the central vertical fiue or passageway,

45 assists in supporting the drums and tubes and thus cause more or less of the heat and within the shell. products of combustion to be deflected around The mud-drum F is in the form of ahollow and to the outside of the drum. This lever ring with conveX upper and lower faces, and L is operated by a rope or chain attached to is provided at intervals near its lower end on its free end. Ioo

5o its outer surface with the flanges F which By this Construction and'arrangement of latter rest on the base-ring B and assist the parts the several drums and tubes are supported from the bottom, and as the parts above the mud-drum are not connected to or in contaet with the wall or shell the several parts are free to expand and contract without straining any of the parts.

If desired, I may place defieetors at one or more points between the drums for directing the heat and flane into contact with the tubes, and as other changes in the construetion and arrangement of the several parts might be resorted to I would have it understood that I do not confine myself to the details shown, but consider myself at liberty to make such changes and alterations as fairly fall within the spirit and scope of my invention.

Having fully described my invention,what I claim as new, and desire to secure by Letters Patent, is

l. In a vertical water tube boiler, the combination with an external shell, of a mud drum arranged in the lower portion thereof and provided with a central vertical fine or passage way, a steam drum located within the upper portion of said shell and provided with a vertical flue or passage way therethrough and having a passage way around it, a damper or plug adapted to close said passage way, and means for raising and lowering the damper or plug.

2. In a vertical water tube boiler, the combination with an external shell, of a mud drum inthe lower portion thereof, a steam drum within the upper portion of said shell out of contact with said shell whereby a passage way is formed between the steam drum and external shell and provided with a vertical fine or passage way, water tubes connecting the drums, a dan'per orplug for closing the vertical fiue or passage way and means for raising and lowering said plug.

3. In a Vertical water tube boiler, the combinatien with the outer wall orshell, a base ring upon which the wall or shell is supported, a central fine, and a base or foundation upon which the latter is supported, of a mud drum located in the space between the inner wall of the furnace and the outer wall of the flue, said parts so constructed that the drum rests upon and is supported by both the wall and the fiue, substantially as set forth.

4. The combination with an outer shell, oi? a mud and steam drum, and a concentric series of pipes conneeting the latter, the enter series vertical, and the nner series ncliuing inward toward the upper drum, substantially as set forth.

5. The combination with a shell, a central flue therein, a base or foundation upon which the latter is supported and an an'ular mud drum secured between the inner wall of the shell and the outer wall of the flue, of an annular steam drum having an annular space between it and theinner wall of the shell, and pipes leading from one drum to the other, substantially as set forth.

In testimony whereof I have signed this speeificaton in the presence of two subscribing witnesses.

JOHN IRVING XVILLIAMS.

lVituesses W. J. LAWTHERS, A. LIEBMAN. 

